from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One of a layer of flagellated cells lining the body cavity of a sponge and characterized by a collar of cytoplasm surrounding the flagellum. Also called collar cell.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. any of the cells in sponges that contain a flagellum, and are used to control the movement of water
from the GNU version of the Collaborative International Dictionary of English
- n. any of the flagellated cells in sponges having a collar of cytoplasm around base of the flagellum; they maintain a flow of water through the body.
from The Century Dictionary and Cyclopedia
- n. One of the collared and flagellated monadiform cells of sponges: so called from their great resemblance to choanoflagellate infusorians. Such cells form layers lining the flagellated endodermal chambers of sponges.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of the flagellated cells in sponges having a collar of cytoplasm around the flagellum; they maintain a flow of water through the body
Greek khoanē, funnel (from khein, to pour; see gheu- in Indo-European roots) + -cyte.(American Heritage® Dictionary of the English Language, Fourth Edition)